fusion: some (internal) renamings
comment wibble
update comment
fusion: cleanup 'embed'
fusion: cleanup 'embed' (again)
add a note in the cabal file about broken hackage docs
fusion (internals): rename some things

This makes it clearer which array terms will be in the delayed/manifest state on output
fusion: don't use an ad-hoc inverse of 'compute'
wibbles
pretty: force vertical layout of let bindings
make fusion runtime selectable